<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<h1>字符串、整数、布尔、数组</h1>
		<script type="text/javascript">
			let str = "javascript 的数据类型";
			console.log(str);
			let i = 100;
			console.log(i);
			let isMan = true;
			console.log(isMan);
			let hobby = ["球","歌","山","机"];
			console.log(hobby);
			console.log(hobby[hobby.length-1]);
		</script>
	</body>
</html>
